280809315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4009

約数の個数: 64

約数和(自身を含む): 545771520

約数和(自身を除く): 264962205

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 1395, 1581, 2295, 2635, 3947, 4185, 4743, 7905, 11841, 14229, 19735, 23715, 35523, 59205, 67099, 71145, 106569, 122357, 177615, 201297, 335495, 367071, 532845, 603891, 611785, 1006485, 1101213, 1811673, 1835355, 2080069, 3019455, 3303639, 5506065, 6240207, 9058365, 10400345, 16518195, 18720621, 31201035, 56161863, 93603105, 280809315]

約数ペア:

[(1, 280809315), (3, 93603105), (5, 56161863), (9, 31201035), (15, 18720621), (17, 16518195), (27, 10400345), (31, 9058365), (45, 6240207), (51, 5506065), (85, 3303639), (93, 3019455), (135, 2080069), (153, 1835355), (155, 1811673), (255, 1101213), (279, 1006485), (459, 611785), (465, 603891), (527, 532845), (765, 367071), (837, 335495), (1395, 201297), (1581, 177615), (2295, 122357), (2635, 106569), (3947, 71145), (4185, 67099), (4743, 59205), (7905, 35523), (11841, 23715), (14229, 19735)]